terraform/instance/main.tf

#-------------------------------
# Create Nuxeo Ubuntu Instance
#-------------------------------
# Create a new EC2 instance

variable "stack_name" {
  type = "string"
  description = "Name of the Stack/Env that this instance will used for"
}

variable "ubuntu_releases" {
    default = {
        trusty  = "trusty-14.04"
        xenial  = "xenial-16.04"
        yakkety = "yakkety-16.10"
    }
}

variable "os_release" {
	type = "string"
	description = "Ubuntu Release"
	default = "xenial"
}

variable "instance_type" {
	type = "string"
	description = "EC2 Instance Type"
	default = "t2.micro"
}

variable "instance_name" {
  type = "string"
  description = "Name to be give to this instance"
}

# Lookup on Amazon for the right AMI for Ubuntu on any region
data "aws_ami" "ubuntu" {
  most_recent = true
  filter {
    name = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-${lookup(var.ubuntu_releases, var.os_release)}-amd64-server-*"]
  }
  filter {
    name = "virtualization-type"
    values = ["hvm"]
  }
  owners = ["099720109477"] # Canonical
}

variable "subnet_id" {
  type = "string"
}
variable "public_key_path" {
	type = "string"
	description = "Local Path to the Pub Key to put on server"
}

variable "secgroup" {}

variable "ami" {} 

#---------------------
# Deployer SSH keys
#--------------------
resource "aws_key_pair" "deployer" {
  key_name = "${var.stack_name}-deploy-key"
  public_key = "${file(var.public_key_path)}"
}

#---------------------
# EC2 Instance
#--------------------
resource "aws_instance" "ec2" {
    ami = "${data.aws_ami.ubuntu.id}"
    instance_type = "${var.instance_type}"
    key_name = "${aws_key_pair.deployer.id}"
    subnet_id   = "${var.subnet_id}"
    vpc_security_group_ids=["${var.secgroup}"]
    tags {
      Name = "${var.instance_name}"
      billing-category = "customers"
      billing-subcategory = "${var.stack_name}"
      role= "nuxeo.instance"
      managed_by="terraform"
    }
}